Wash and cut beans and potatoes.

Heat mustard oil on a kadahi.

Add chopped beans and potatoes.

Fry them till raw smell goes and beans become soft.

Remove beans from oil and add more oil in kadahi.

Add turmeric powder, red chilli powder and salt.

Mix all well and cook on high flame till oil starts separate.

Cook for sometimes and add water.

Cook on low flame till beans and potatoes done.

Garnish with coriander leaves and serve with rice.